2020 Australian Open – Boys' singles
| Boys' singles | |
|---|---|
| 2020 Australian Open | |
| Champion | Harold Mayot |
| Runner-up | Arthur Cazaux |
| Score | 6–4, 6–1 |
Harold Mayot won the boys' singles tennis title at the 2020 Australian Open, defeating Arthur Cazaux in the final, 6–4, 6–1.
Lorenzo Musetti was the defending champion, but chose not to participate. He received a wildcard into the men's singles qualifying competition, where he lost to Tallon Griekspoor in the third round.